"You should take when you're just starting to get a cold, and it has natural antivirals and it also helps to boost immune function," says Dr. Francis. "So use equal parts Golden Seal, ligusticum, elderberry, peppermint, ginger and thyme." Dr. Francis says put them in a tea basket and let it seep for 10 minutes. She also has an immune smoothie, which is a scoop of whey protein with 12 to 16 ounces of water, berries and omega 3s. "Whey protein is a very absorbable form of amino acid and it helps to build the antibodies that are like the army of our body," says Dr. Francis. She also has patients